I haven't analyzed your backups fully or run a checksum, but they look OK at first glance. Have you had a chance to run mfsinfo to see if it gets past the previous "volume header not found" error message?

If necessary we can try to replace all 6 zone headers too. If the data in the actual zones is corrupt it's a lost cause, but if the damage was limited to a few sectors it might work.

Even if the clone isn't exactly the same it shouldn't matter as long as the cloned drive is at least as big as the original and it's not over 2TB. I haven't proved one way or the other whether Series 3s with a recent OS can break that barrier.